Undercut/Dog Leg Chisel , Made in the USA. C.S. Osborne No 402 Ripping Chisel | UK Upholstery Ripping Tool CS Osborne #402 Ripping Chisel Furniture Upholstery Tool C.S. Osborne 402 Upholstery Tool Ripping Chisel Our Best Quality Chisel #402 - A beautifully finished tool with a translucent amber handle designed to fit the hand with perfect balance. Forged highly polished steel blade. Shouldered tang to prevent driving into handle. Undercut/Dog Leg Chisel C S Osborne #402 Ripping Chisel Furniture Upholstery Tool - A beautifully finished tool with a translucent amber handle designed to fit the hand with perfect balance. Ripping Chisel - Upholstery Tools | Rowley Osborne Ripping Chisel is a forged,highly polished 8steel blade primarily used for ripping tacks and glued areas.